CN202867646U - Brake pad with spherical pins - Google Patents
Brake pad with spherical pins Download PDFInfo
- Publication number
- CN202867646U CN202867646U CN 201220466693 CN201220466693U CN202867646U CN 202867646 U CN202867646 U CN 202867646U CN 201220466693 CN201220466693 CN 201220466693 CN 201220466693 U CN201220466693 U CN 201220466693U CN 202867646 U CN202867646 U CN 202867646U
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- Prior art keywords
- brake lining
- backboard
- hole
- brake pad
- face
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- Expired - Lifetime
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Abstract
The utility model relates to a brake pad with spherical pins. The brake pad with the spherical pins is characterized by comprising a brake pad back plate, a plurality of brake pad friction blocks, a plurality of triangular support seats, a plurality of positioning clamps and the multiple spherical pins, wherein the brake pad back plate is in a vertically symmetrical arc-shaped structure and is made of steel materials, the brake pad friction blocks distributed on the brake pad are symmetrically arranged, three groups of symmetrical structures are arranged on the upper portion of the brake pad back plate, three groups of symmetrical structures are arranged on the lower portion of the brake pad back plate, and each of the groups of symmetrical structures is formed by three brake pad friction blocks, one of the triangular seats, three positioning clamps and one of the spherical pins in a connecting mode, wherein the triangular seats are connected with the brake pad back plate in a universal mode through the spherical pins. The brake pad with the spherical pins is simple in structure and manufacturing process, uniform in braking force and low in contact stress, capable of transmitting braking heat loads effectively and good in comprehensive braking performance, and can be widely used in braking systems of various high-speed motor train units.
Description
Technical field
The utility model relates to a kind of brake pad, particularly about a kind of brake pad for bogies for railway vehicles brake rigging spherical pin.
Background technique
Home and abroad high-speed railway and rail motor set bogie of car brake rigging adopt the disc braking brake rigging usually in order to satisfy the synthetical restraint performance.According to bogie structure and function, the disc braking brake rigging is divided into reel and two kinds of forms of wheel disc, and no matter reel or wheel disc all utilize the friction of brake lining friction piece and brake disc, become heat energy to consume kinetic transformation, thereby realizes the vehicle parking braking.
EMU particularly, because the car brakeing initial velocity is high, the friction pair temperature rise is relatively high during braking, not only require the brake lining friction piece wear-resisting, high temperature resistant, and require to have good temperature conductivity between the body of friction piece and its installation, between limited requirements of installation space friction block and its installation body, can adjust simultaneously, make friction piece and the power transmission of brake disc Contact even, enlarge active surface as far as possible, thus contact stress reduced, the life-span of realizing raising dish and brake lining.Therefore, provide the good brake pad that braking ability requires that satisfies, effectively improve the car brakeing Security very necessary.
Summary of the invention
For the problems referred to above, the purpose of this utility model provides a kind of effectively enlarge active surface, realizes even power transmission, simple in structure, and can satisfy and improve vehicle braking performances, guarantees the brake pad of the spherical pin of vehicle operating safety.
For achieving the above object, the utility model is taked following technological scheme: a kind of brake pad of spherical pin is characterized in that: it comprises a brake lining backboard, some brake linings friction block, some three-support seats, some location cards and some ball pin; Described brake lining backboard adopts the arcuate structure of upper and lower symmetry, is made by steel material; Being distributed as of block of brake lining friction on described brake lining backboard is symmetrical arranged, described brake lining backboard upper and lower is respectively arranged with three groups of symplex structures, each group symplex structure connects to form by three described brake lining friction blocks, a described three-support seat, three described location cards and a described ball pin, and described three-support seat is by described ball pin and described universal connection of brake lining backboard.
Described brake lining backboard both sides are respectively arranged with left wing plate and the right wing plate for the location brake clamp, and the middle part of described brake lining backboard is provided with a horizontal elongated groove, is arranged at intervals with two in the described groove and weakens the rigidity hole; Be symmetrically arranged with an auxiliary hole and be connected the through hole that is used for connecting brake clamp the upper and lower of described brake lining backboard; Also be provided with on the described brake lining backboard be used to the positioning step hole that connects described some brake lining friction blocks and some ball pin, and the some step holes and the some positioning through hole that connect described some three-support seats.
Each described brake lining friction block includes friction piece backboard, pillar and columned friction piece; Be provided with a center hole on the described friction piece backboard, be provided with a sphere boss and some plug holes around the described center hole; Described pillar is fitted in the described center hole, is connected with the positioning step hole of described three-support seat and brake lining backboard, and by described location card described pillar is fixed on the described brake lining backboard; The setting of described prop liner upper surface is sphere, cooperates with described sphere boss internal surface; The top of described pillar also is provided with the recessed edge of a circle; Described friction piece and described friction piece backboard and pillar are sintered into one, and are provided with a through hole at described friction piece center, and the diameter of described through hole is less than the diameter of described prop liner.
Three described brake lining friction blocks that described each group is installed on the described supporting base circumferentially are provided with side cut, two described brake lining friction blocks that are positioned at navel both sides, described location arrange respectively a limit, and the surface of contact of another described brake lining friction block arranges two limits.
Each described three-support seat all is the bougainvillea valvular structure, and the middle part of described three-support seat end face is provided with a place kick face that is connected with the step hole of described brake lining backboard, and described place kick face is connected with described ball pin; The below of described place kick face is provided with a location navel that is connected with the positioning through hole of described brake lining backboard; Each petal place of described three-support seat bottom surface is provided with a location sphere platform hole that cooperates with the sphere boss of described friction piece backboard.
Each described location card all adopts the manganese steel material to be made, and its shape is ω shape; Each described location card is separately positioned on the recessed edge place of described brake lining friction block B-C post, is positioned on the described brake lining backboard by the pillar of described location card with described brake lining friction block.
Each described spherical pin all adopts step structure, it comprises sphere, positioning step and end face, the place kick face of described sphere and described three-support seat is connected, described positioning step and end face are all riveted with the step hole of described brake lining backboard or are excessively cooperated, and described end face is that locating face axially is installed.
Each described spherical pin all adopts step structure, and it comprises sphere, positioning step and end face, and the T-shaped hollow structure of offering in described spherical pin center; Described sphere contacts with the location sphere of described three-support seat, and described positioning step and end face are all riveted with the step hole of described brake lining backboard or excessively cooperated, and described end face is that locating face axially is installed.
The utility model is owing to taking above technological scheme, it has the following advantages: 1, the utility model is owing to realizing that by brake lining backboard, brake lining friction block, three-support seat and location card the elasticity between each parts of brake pad connects, and the sphere-contact of 3 petals of brake lining friction block and three-support seat, make the friction piece one-level all carry contact adjusting, realize that the retardation pressure that acts on the brake disc all carries.2, the utility model is owing to adopting sphere that the location is installed between brake lining backboard, ball pin, three-support seat, make the relative brake lining backboard of three-support seat realize universal movement, thereby make three friction pieces that are installed on the three-support seat realize that secondary all carries contact adjusting.3, the utility model is owing to being provided with groove and weakening the rigidity hole at the brake lining backboard, not only can reduce the coupling stiffness of the brake lining backboard of upper and lower symmetry by weakening the rigidity hole, make whole brake pad weight saving, and be easy to all carrying of top brake lining friction piece and bottom brake lining friction piece, namely three grades all carry adjustment.4, the utility model can make effective area of contact increase because friction piece adopts irregular structure, thus the low contact stress of realization friction piece and brake disc.5, the utility model is conducive to reduce this brake lining manufacture cost because the manufacturing of brake lining backboard has been simplified in the employing of ball pin.The utility model reasonable in design, braking ability is good, and is safe and reliable to operation, and it can be widely used in the different kinds of railways motor vehicle braking system, and is specially adapted in the braking system of EMU.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is brake lining back board structure schematic diagram of the present utility model;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 is brake lining friction piece structural representation of the present utility model;
Fig. 7 is the first structural representation that the utility model friction piece adopts;
Fig. 8 is the second structure schematic diagram that the utility model friction piece adopts;
Fig. 9 is three-support stand structure schematic diagram of the present utility model;
Figure 10 is the A-A sectional view of Fig. 9;
Figure 11 is location card structural representation of the present utility model;
Figure 12 is the first structural representation that the utility model ball pin adopts;
Figure 13 is the second structural representation that the utility model ball pin adopts.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Such as Fig. 1~shown in Figure 3, the utility model comprises that an all-in-one-piece brake lining backboard 10, some brake linings friction block 30, some three-support seats 40, some location card 50(are as shown in Figure 2) and some ball pin 60(are as shown in Figure 3).Wherein, brake lining backboard 10 adopts the arcuate structure of upper and lower symmetry, is made by steel material; Being distributed as of block 30 of brake lining friction on brake lining backboard 10 is symmetrical arranged, brake lining backboard 10 upper and lower is respectively arranged with three groups of symplex structures, each group symplex structure connects to form by three brake lining friction blocks 30, a three-support seat 40, three location cards 50 and a ball pin 60, make three-support seat 40 realize universal the connection with brake lining backboard 10 by ball pin 60, realize the contact of drag friction body evenly.
Such as Fig. 2, Fig. 4, shown in Figure 5, brake lining backboard 10 both sides are respectively arranged with left wing plate 11 and the right wing plate 12 for the location brake clamp, the middle part of brake lining backboard 10 is provided with a horizontal elongated groove 13, be arranged at intervals with two in the groove 13 and weaken rigidity hole 14, weaken the coupling stiffness that rigidity hole 14 can reduce the brake lining backboard 10 of upper and lower symmetry by two, and then so that the upper and lower brake lining friction block 30 of brake lining backboard 10 all carry.Be symmetrically arranged with an auxiliary hole 15 and be connected the through hole 16 that is used for connecting brake clamp the upper and lower of brake lining backboard 10; Also be provided with on the brake lining backboard 10 be used to the positioning step hole 17(that connects some brake lining friction blocks 30 and some ball pin 60 as shown in Figure 5), and the some step holes 18 and the some positioning through hole 19 that connect some three-support seats 40.
As shown in Figure 6, each brake lining friction block 30 includes friction piece backboard 31, pillar 32 and columned friction piece 33.Be provided with a center hole 34 on the friction piece backboard 31, be provided with a sphere boss 35 and some plug holes 36 around the center hole 34.Pillar 32 is fitted in the center hole 34, is used for being connected with the positioning step hole 17 of three-support seat 40 and brake lining backboard 10, and by location card 50 pillar 32 is fixed on the brake lining backboard 10.Pillar 32 base upper surface settings are sphere, in order to cooperate with sphere boss 35 internal surfaces; The top of pillar 32 is provided with the recessed edge 37 of a circle.Friction piece 33 is sintered into one with friction piece backboard 31 and pillar 32, is provided with a through hole 38 at friction piece 33 centers, and the diameter of this through hole 38 is less than the diameter of pillar 32 bases, in order to make pillar 32 base support between friction piece 33 and friction piece backboard 31; Simultaneously, this through hole 38 can be realized friction piece 33 heat radiations on the one hand, can store on the other hand the buffing of friction piece 33.
In above-described embodiment, as shown in Figure 1, in order to ensure the location is installed between friction piece, can circumferentially be provided with side cut what brake lining rubbed block 30, for example: in each group is installed in three brake linings friction blocks 30 on the supporting base 40, mutual two close surface of contact are cut edge respectively, two brake lining friction blocks 30 that namely are positioned at navel 42 both sides, location arrange respectively a limit 301(as shown in Figure 7), make it be " apple " shape, and the surface of contact of another brake lining friction block 30 arranges two limit 302(as shown in Figure 8), make it be " pear " shape.
Such as Fig. 9, shown in Figure 10, each three-support seat 40 all is the bougainvillea valvular structure, and the middle part of three-support seat 40 end faces is provided with a place kick face 41 that is connected with the step hole 18 of brake lining backboard 10, and place kick face 41 is connected with ball pin 60; The below of place kick face 41 is provided with a location navel 42 that is connected with the positioning through hole 19 of brake lining backboard 10, with the amounts of rotation of restriction three-support seat 40 circumferencial directions.Each petal place of three-support seat 40 bottom surfaces is provided with a location sphere platform hole 43(who cooperates with the sphere boss 35 of friction piece backboard 31 as shown in figure 10), all carry the first order and the second level during with 30 braking of realization brake lining friction block.
As shown in figure 11, each location card 50 all adopts manganese steel or other elastic material to be made, and its shape can be decided as required, as is ω shape.Each location card 50 is separately positioned on recessed edge 37 places of brake lining friction block 30 B-C posts 32, by location card 50 the rub pillar 32 of block 30 of brake lining is positioned on the brake lining backboard 10.
Shown in Figure 12,13, each spherical pin 60 of the present utility model all can adopt two kinds of structures, the first structure that each spherical pin 60 adopts is step structure, the spherical pin 60 of this step structure comprises that sphere 61, positioning step 62 and end face 63(are as shown in figure 12), sphere 61 is connected with the place kick face 41 of three-support seat 40, three-support seat 40 is connected with brake lining backboard 10 balls strand, and the adjustment of realization secondary is all carried; Positioning step 62 and end face 63 are all riveted with the step hole 18 of brake lining backboard 10 or are excessively cooperated, and end face 63 is that locating face axially is installed.
As shown in figure 13, the second structure that each spherical pin 60 adopts still is step structure, the spherical pin 60 of this step structure also comprises sphere 61, positioning step 62 and end face 63, and the spherical pin 60 of this structure also is included in the T-shaped hollow structure 64 that spherical pin 60 centers are offered.Sphere 61 contacts with the location sphere 41 of three-support seat 40, and three-support seat 40 is connected with brake lining backboard 10 balls strand, and the adjustment of realization secondary is all carried; Positioning step 62 and end face 63 are all riveted with the step hole 18 of brake lining backboard 10 or are excessively cooperated, and end face 63 is that locating face axially is installed.The T-shaped hollow structure 64 of setting up at spherical pin 60 centers is conducive to further heat radiation.
In sum, installation steps of the present utility model are as follows:
1) in the positioning step hole 18 that step 62 and the end face 63 of each spherical pin 60 is installed in brake lining backboard 10, place kick face 41 on each three-support seat 40 is cooperated installation with the sphere 61 of spherical pin 60, and location navel 42 inserts on the brake lining backboards 10 in the positioning through hole 19.
2) repeating step 1) install six times, all spherical pins 60 and three-support seat 40 are in place with brake lining backboard 10;
3) according to the layout of each group brake lining friction block 30, the pillar 32 of each brake lining friction block 30 is passed location sphere platform hole 43 on the three-support seat 40 and the positioning step hole 17 on the brake lining backboard 10 successively; Recessed edge 35 on the pillar 32 is clamped on the brake lining backboard 10 from brake lining backboard 10 opposite sides with location card 50 again, so that brake lining friction block 30 is fixed in the step hole 17 of brake lining backboard 10;
4) repeating step 3) install, all brake lining friction blocks 30 are installed on the whole brake lining backboard.
5) after the above-mentioned installation, left wing plate 11 and right wing plate 12 interior side directions along brake lining backboard 10 are inserted in brake clamp on the brake lining backboard 10 from top to down, then be fixedly connected with the respective aperture of brake clamp by the through hole 16 of pin with brake lining backboard 10, realize the installation of brake pad in brake clamp of the utility model spherical pin.
The various embodiments described above only are used for explanation the utility model; the connection of each parts and structure all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of connection and the structure of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (9)
1. the brake pad of a spherical pin is characterized in that: it comprises a brake lining backboard, some brake linings friction block, some three-support seats, some location cards and some ball pin; Described brake lining backboard adopts the arcuate structure of upper and lower symmetry, is made by steel material; Being distributed as of block of brake lining friction on described brake lining backboard is symmetrical arranged, described brake lining backboard upper and lower is respectively arranged with three groups of symplex structures, each group symplex structure connects to form by three described brake lining friction blocks, a described three-support seat, three described location cards and a described ball pin, and described three-support seat is by described ball pin and described universal connection of brake lining backboard.
2. the brake pad of spherical pin as claimed in claim 1, it is characterized in that: described brake lining backboard both sides are respectively arranged with left wing plate and the right wing plate for the location brake clamp, the middle part of described brake lining backboard is provided with a horizontal elongated groove, is arranged at intervals with two in the described groove and weakens the rigidity hole; Be symmetrically arranged with an auxiliary hole and be connected the through hole that is used for connecting brake clamp the upper and lower of described brake lining backboard; Also be provided with on the described brake lining backboard be used to the positioning step hole that connects described some brake lining friction blocks and some ball pin, and the some step holes and the some positioning through hole that connect described some three-support seats.
3. the brake pad of spherical pin as claimed in claim 1 or 2 is characterized in that: each described brake lining friction block includes friction piece backboard, pillar and columned friction piece; Be provided with a center hole on the described friction piece backboard, be provided with a sphere boss and some plug holes around the described center hole; Described pillar is fitted in the described center hole, is connected with the positioning step hole of described three-support seat and brake lining backboard, and by described location card described pillar is fixed on the described brake lining backboard; The setting of described prop liner upper surface is sphere, cooperates with described sphere boss internal surface; The top of described pillar also is provided with the recessed edge of a circle; Described friction piece and described friction piece backboard and pillar are sintered into one, and are provided with a through hole at described friction piece center, and the diameter of described through hole is less than the diameter of described prop liner.
4. the brake pad of spherical pin as claimed in claim 3, it is characterized in that: three described brake lining friction blocks that described each group is installed on the described supporting base circumferentially are provided with side cut, two described brake lining friction blocks that are positioned at navel both sides, described location arrange respectively a limit, and the surface of contact of another described brake lining friction block arranges two limits.
5. such as the brake pad of claim 1 or 2 or 4 described spherical pins, it is characterized in that: each described three-support seat all is the bougainvillea valvular structure, the middle part of described three-support seat end face is provided with a place kick face that is connected with the step hole of described brake lining backboard, and described place kick face is connected with described ball pin; The below of described place kick face is provided with a location navel that is connected with the positioning through hole of described brake lining backboard; Each petal place of described three-support seat bottom surface is provided with a location sphere platform hole that cooperates with the sphere boss of described friction piece backboard.
6. the brake pad of spherical pin as claimed in claim 3, it is characterized in that: each described three-support seat all is the bougainvillea valvular structure, the middle part of described three-support seat end face is provided with a place kick face that is connected with the step hole of described brake lining backboard, and described place kick face is connected with described ball pin; The below of described place kick face is provided with a location navel that is connected with the positioning through hole of described brake lining backboard; Each petal place of described three-support seat bottom surface is provided with a location sphere platform hole that cooperates with the sphere boss of described friction piece backboard.
7. such as claim 1 or 2 or the brake pad of 4 or 6 described spherical pins, it is characterized in that: each described location card all adopts the manganese steel material to be made, and its shape is ω shape; Each described location card is separately positioned on the recessed edge place of described brake lining friction block B-C post, is positioned on the described brake lining backboard by the pillar of described location card with described brake lining friction block.
8. such as claim 1 or 2 or the brake pad of 4 or 6 described spherical pins, it is characterized in that: each described spherical pin all adopts step structure, it comprises sphere, positioning step and end face, the place kick face of described sphere and described three-support seat is connected, described positioning step and end face are all riveted with the step hole of described brake lining backboard or are excessively cooperated, and described end face is that locating face axially is installed.
9. such as claim 1 or 2 or the brake pad of 4 or 6 described spherical pins, it is characterized in that: each described spherical pin all adopts step structure, and it comprises sphere, positioning step and end face, and the T-shaped hollow structure of offering in described spherical pin center; Described sphere contacts with the location sphere of described three-support seat, and described positioning step and end face are all riveted with the step hole of described brake lining backboard or excessively cooperated, and described end face is that locating face axially is installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220466693 CN202867646U (en) | 2012-09-13 | 2012-09-13 | Brake pad with spherical pins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220466693 CN202867646U (en) | 2012-09-13 | 2012-09-13 | Brake pad with spherical pins |
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CN202867646U true CN202867646U (en) | 2013-04-10 |
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CN 201220466693 Expired - Lifetime CN202867646U (en) | 2012-09-13 | 2012-09-13 | Brake pad with spherical pins |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102829106A (en) * | 2012-09-13 | 2012-12-19 | 黄启镇 | Brake pad with spherical pin |
CN104482079A (en) * | 2014-12-10 | 2015-04-01 | 贵州新安航空机械有限责任公司 | Independent friction block brake pad |
CN107061576A (en) * | 2017-03-09 | 2017-08-18 | 湖南博科瑞新材料有限责任公司 | A kind of powder metallurgy brake pad of EMUs |
CN107152480A (en) * | 2017-07-24 | 2017-09-12 | 南昌大学 | Brake pad with three-level adjustment mechanism |
CN107327524A (en) * | 2017-07-24 | 2017-11-07 | 南昌大学 | Brake pad for brake pad |
-
2012
- 2012-09-13 CN CN 201220466693 patent/CN202867646U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102829106A (en) * | 2012-09-13 | 2012-12-19 | 黄启镇 | Brake pad with spherical pin |
CN102829106B (en) * | 2012-09-13 | 2015-03-18 | 黄启镇 | Brake pad with spherical pin |
CN104482079A (en) * | 2014-12-10 | 2015-04-01 | 贵州新安航空机械有限责任公司 | Independent friction block brake pad |
CN104482079B (en) * | 2014-12-10 | 2017-04-05 | 贵州新安航空机械有限责任公司 | A kind of independent brake pad brake pad |
CN107061576A (en) * | 2017-03-09 | 2017-08-18 | 湖南博科瑞新材料有限责任公司 | A kind of powder metallurgy brake pad of EMUs |
CN107152480A (en) * | 2017-07-24 | 2017-09-12 | 南昌大学 | Brake pad with three-level adjustment mechanism |
CN107327524A (en) * | 2017-07-24 | 2017-11-07 | 南昌大学 | Brake pad for brake pad |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130410 Effective date of abandoning: 20150318 |
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RGAV | Abandon patent right to avoid regrant |